Homework Help: college chemisrty

Posted by Tiffany on Wednesday, July 7, 2010 at 7:20pm.

A cylinder with a movable piston contains 2.00 of helium, , at room temperature. More helium was added to the cylinder and the volume was adjusted so that the gas pressure remained the same. How many grams of helium were added to the cylinder if the volume was changed from 2.00 to 4.50 ? (The temperature was held constant.)
Express your answer numerically in grams.

college chemisrty - DrBob222, Wednesday, July 7, 2010 at 7:44pm
no units again.
That's like going to the store and asking the price of a gallon of milk. The clerk tells you 2. What does that mean? Absolutely nothing. It could be 2 mils, 2 cents, 2 dollars, 2 euros, 2 lira, what?

Answer this Question

Related Questions

Chemestry - A cylinder with a movable piston contains 2.00 of helium, , at room ...
CHEM - A cylinder with a movable piston contains 2.00 of helium, , at room ...
chm - A cylinder with a movable piston contains 2.00 of helium,He, at room ...
General Chemistry - A cylinder with a movable piston contains 2.00g of helium,He...
CHEM - A cylinder with a movable piston contains 2.00g of helium, He, at room ...
Chemistry - A 6.00 ft cylinder has a radius of 26 in. It contains 189 lb of ...
college chemisrty - A certain amount of chlorine gas was placed inside a ...
Chemistry - I need help with part b here's all information. (a) Chlorine gas...
physics - A portable steel tank with a volume 35 liters (0.035m³) holds ...
Physics - A clown at a birthday party has brought along a helium cylinder, with ...

For Further Reading

First Name:
School Subject:
Answer: